This Tariff Concession Order declares that surgical gauze balls described as “x-ray detectable” (tariff classification 6307.90.99) are to be treated under item 50 of Part III of Schedule 4 to the Customs Tariff Act 1995, effective 19 Dec 2006. It is made by a delegate under s269P and remains in force until revoked under ss269SC or 269SD. The immediate effect is on importers’ tariff treatment for the listed product; the administrative decision and any future revocation are exercised by the delegated official.